Our Data Sources
18, Chalgrove, Welwyn Garden City has 2 entries in the Land Registry , most recently in January 2026 and a single entry in the EPC database dated September 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 18, Chalgrove, Welwyn Garden City would be worth £682,281, with a potential rental value of £2,190 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £604,306, with a rental value of £1,940 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Chalgrove, Welwyn Garden City occupies a 408 m2 plot as recorded by HM Land Registry.
All 19 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.
Energy Efficiency
18, Chalgrove, Welwyn Garden City has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Sep 2020.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Chalgrove, Welwyn Garden City last changed hands on 16th January 2026, selling for £690,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 24.2% since January 2026.
- Sold Jan 2026£690,000
- Sold Jun 2021£580,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 110 sales of comparable properties within 960 metres of 18, Chalgrove, Welwyn Garden City across the last 2 years.
Most recently, 1, Oakington, Welwyn Garden City, AL7 2PS, a freehold house, sold at £607,500 on the 28th March 2025.
Read more about house prices in AL7.
- Sold Mar 2025£607,500 | 4 Bed House1, Oakington, Welwyn Garden City, AL7 2PS1, Oakington, Welwyn Garden City, AL7 2PS
- Sold Mar 2025£610,000 | 4 Bed House20, Chalgrove, Welwyn Garden City, AL7 2QJ20, Chalgrove, Welwyn Garden City, AL7 2QJ
- Sold Jun 2021£625,000 | 4 Bed House1, Chelveston, Welwyn Garden City, AL7 2PW1, Chelveston, Welwyn Garden City, AL7 2PW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 18, Chalgrove, Welwyn Garden City as the largest and the most expensive of the 19 addresses on Chalgrove, Welwyn Garden City, AL7.
Against the AL7 postcode district average, it is £278k more expensive than the typical property.
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Schools Nearby
- Springmead Primary School700 m away
- Watchlytes Primary School1.0 km away
- Tewin Cowper Church of England Voluntary Aided Primary School1.5 km away
- Ridgeway Academy1.3 km away
- The Sele School3.9 km away
- Monk's Walk School4.1 km away
More reading links
Public Transport Nearby
- Welwyn Garden City|3.0 km away
- Welwyn North|3.3 km away
- Hertford North|4.7 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
